On the semisimplicity of twisted group algebras
Author:
D. S. Passman
Journal:
Proc. Amer. Math. Soc. 25 (1970), 161-166
MSC:
Primary 20.80
DOI:
https://doi.org/10.1090/S0002-9939-1970-0263939-7
MathSciNet review:
0263939
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Abstract: In this paper we make a number of simple observations on the question of the semisimplicity of twisted group algebras. The results are based for the most part on certain results known for algebraically closed fields and on the behavior of the Jacobson Radical under field extension.
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- S. A. Amitsur, On the semi-simplicity of group algebras, Michigan Math. J. 6 (1959), 251–253. MR 108540
- D. S. Passman, Nil ideals in group rings, Michigan Math. J. 9 (1962), 375–384. MR 144930
- D. S. Passman, On the semisimplicity of modular group algebras, Proc. Amer. Math. Soc. 20 (1969), 515–519. MR 236279, DOI https://doi.org/10.1090/S0002-9939-1969-0236279-1 ---, Radicals of twisted group rings, Proc. London Math. Soc. (to appear).
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Keywords:
Twisted group algebras,
semisimplicity,
Jacobson Radical,
field extensions
Article copyright:
© Copyright 1970
American Mathematical Society